| ; The purpose of this test is to check that the remark emission analysis result |
| ; stays valid when it can and is invalidated otherwise. The code is just |
| ; a minimal amount of code to exercise the pass. |
| ; |
| ; First make sure we emit remarks on this test case. |
| ; RUN: opt %s -disable-output -aa-pipeline=basic-aa 2>&1 \ |
| ; RUN: -passes='require<opt-remark-emit>,loop-mssa(licm)' \ |
| ; RUN: -pass-remarks=licm -pass-remarks-with-hotness \ |
| ; RUN: | FileCheck %s |
| ; |
| ; Check that passes which preserve BFI don't invalidate the emitter. |
| ; RUN: opt %s -disable-output -aa-pipeline=basic-aa 2>&1 \ |
| ; RUN: -passes='require<opt-remark-emit>,instcombine,require<opt-remark-emit>,loop-mssa(licm)' -debug-pass-manager \ |
| ; RUN: -pass-remarks=licm -pass-remarks-with-hotness \ |
| ; RUN: | FileCheck %s --check-prefixes=CHECK,CHECK-PM-PRESERVE |
| ; |
| ; Check that invalidating BFI computes a fresh emitter. |
| ; RUN: opt %s -disable-output -aa-pipeline=basic-aa 2>&1 \ |
| ; RUN: -passes='require<opt-remark-emit>,invalidate<block-freq>,require<opt-remark-emit>,loop-mssa(licm)' -debug-pass-manager \ |
| ; RUN: -pass-remarks=licm -pass-remarks-with-hotness \ |
| ; RUN: | FileCheck %s --check-prefixes=CHECK,CHECK-PM-INVALIDATE |
| ; |
| ; Check that invalidating BFI desn't compute a fresh emitter when we don't |
| ; request hotness remarks. |
| ; RUN: opt %s -disable-output -aa-pipeline=basic-aa 2>&1 \ |
| ; RUN: -passes='require<opt-remark-emit>,invalidate<block-freq>,require<opt-remark-emit>,loop-mssa(licm)' -debug-pass-manager \ |
| ; RUN: -pass-remarks=licm \ |
| ; RUN: | FileCheck %s --check-prefixes=CHECK,CHECK-PM-NO-INVALIDATE |
| |
| target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128" |
| |
| define void @hoist(ptr %array, ptr noalias %p) { |
| ; CHECK-PM-PRESERVE: Running analysis: OptimizationRemarkEmitterAnalysis |
| ; CHECK-PM-PRESERVE: Running pass: InstCombinePass |
| ; CHECK-PM-PRESERVE-NOT: Invalidating analysis: OptimizationRemarkEmitterAnalysis |
| ; CHECK-PM-PRESERVE-NOT: Running analysis: OptimizationRemarkEmitterAnalysis |
| ; CHECK-PM-PRESERVE: Running pass: LICMPass |
| ; CHECK-PM-INVALIDATE: Running analysis: OptimizationRemarkEmitterAnalysis |
| ; CHECK-PM-INVALIDATE: Running pass: InvalidateAnalysisPass |
| ; CHECK-PM-INVALIDATE: Invalidating analysis: OptimizationRemarkEmitterAnalysis |
| ; CHECK-PM-INVALIDATE: Running analysis: OptimizationRemarkEmitterAnalysis |
| ; CHECK-PM-INVALIDATE: Running pass: LICMPass |
| ; CHECK-PM-NO-INVALIDATE: Running analysis: OptimizationRemarkEmitterAnalysis |
| ; CHECK-PM-NO-INVALIDATE: Running pass: InvalidateAnalysisPass |
| ; CHECK-PM-NO-INVALIDATE-NOT: Invalidating analysis: OptimizationRemarkEmitterAnalysis |
| ; CHECK-PM-NO-INVALIDATE-NOT: Running analysis: OptimizationRemarkEmitterAnalysis |
| ; CHECK-PM-NO-INVALIDATE: Running pass: LICMPass |
| |
| Entry: |
| br label %Loop |
| |
| Loop: |
| %j = phi i32 [ 0, %Entry ], [ %Next, %Loop ] |
| %addr = getelementptr i32, ptr %array, i32 %j |
| %a = load i32, ptr %addr |
| ; CHECK: remark: /tmp/kk.c:2:20: hoisting load |
| %b = load i32, ptr %p, !dbg !8 |
| %a2 = add i32 %a, %b |
| store i32 %a2, ptr %addr |
| %Next = add i32 %j, 1 |
| %cond = icmp eq i32 %Next, 0 |
| br i1 %cond, label %Out, label %Loop |
| |
| Out: |
| ret void |
| } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!3, !4} |
| !llvm.ident = !{!5} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.9.0 ", isOptimized: true, runtimeVersion: 0, emissionKind: NoDebug, enums: !2) |
| !1 = !DIFile(filename: "/tmp/kk.c", directory: "/tmp") |
| !2 = !{} |
| !3 = !{i32 2, !"Debug Info Version", i32 3} |
| !4 = !{i32 1, !"PIC Level", i32 2} |
| !5 = !{!"clang version 3.9.0 "} |
| !6 = distinct !DISubprogram(name: "success", scope: !1, file: !1, line: 1, type: !7, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !2) |
| !7 = !DISubroutineType(types: !2) |
| !8 = !DILocation(line: 2, column: 20, scope: !6) |